<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio color="#c00000" :checked="isFullCheck">
        <text>全选</text>
      </radio>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">
      结算({{checkedCount}})
    </view>
  </view>
</template>

<script>
  import { mapGetters , mapMutations,mapState} from 'vuex'
  
  export default {
    name:"my-settle",
    data() {
      return {
        //倒计时的秒数
        seconds:3,
        //定时器的id
        timer:null
      };
    },
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user',['token']),
      isFullCheck(){
      return  this.total === this.checkedCount
      }
    },
    methods:{
      ...mapMutations('m_cart',['updataAllGodsState'],'total','checkedGoodsAmount'),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      changeAllState(){
        this.updataAllGodsState(!this.isFullCheck)
      },
      //用户点击了结算按钮
      settlement(){
        if(!this.checkedCount){
          return uni.$showMsg('请选择要结算的商品!')
        }
        if(!this.addstr){
          return uni.$showMsg('请选择收货地址!')
        }
        if(!this.token){
          // return uni.$showMsg('请先登录!')
        return  this.delayNavigate()
        
        }
        this.payOrder()
      },
     async payOrder(){
       //1.创建订单
        //1.1 组织订单的信息对象
        const orderinfo = {
          //开发期间订单价格先写死为0.01
          // order_price:this.checkedGoodsAmount,
          order_price:0.01,
          consignee_addr:this.addstr,
          goods:this.cart.filter(x => x.goods_state).map(x => ({
            goods_id:x.goods_id,
            goods_number:x.goods_count,
            goods_price:x.goods_price
          }))
        }
        //1.2 发起请求创建订单
     const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderinfo)
     if(res.meta.status !== 200) return uni.$showMsg('创建订单失败')
        //1.3 得到服务器响应的“订单编号”
        const orderNumber = res.message.order_number
        //2.订单预支付
        //2.1 发起请求获取订单的支付信息
      const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
      //2.2 预付订单生成失败
      if(res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败')
      //2.3 得到订单支付相关的必要参数(订单生成成功)
      const payInfo = res2.message.pay
      //3.发起微信支付
    const [err,succ] = await uni.requestPayment(payInfo){
        //3.2 未完成支付
        if(err) return uni.$showMsg('订单未支付')
        //3.3 完成了支付，进一步查询支付结果
    const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
        //3.4 检测订单未支付
        if(res3.meta.status !== 200) return uni.$showMsg('订单未支付')
        //3.5 检测到订单支付完成
        uni.showToast({
          title:'订单支付完成',
          icon:'success'
        })
      }
      },
      delayNavigate(){
        this.seconds = 3
        this.showTips(this.seconds)
        //创建一个定时器，每隔一秒再次调用showTips()方法
     this.timer = setInterval(() => {
          this.seconds--
          if(this.seconds <= 0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'../../pages/my/my'
            })
            return
          }
          this.showTips(this.seconds)
        },1000)
      },
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后再结算' + n + '秒后自动跳转到登录页',
          mask:true,
          duration:1500
        })
      }
    }
  }
</script>

<style lang="scss">

.my-settle-container{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  .radio{
    display: flex;
    align-items: center;
  }
  .amount-box{
    .amount{
      color: #c00000;
      font-weight: bold;
    }
  }
  .btn-settle{
  background-color: #c00000;
  height: 50px;
  color: white;
  line-height: 50px;
  padding: 0 10px;
  min-width: 100px;
  text-align: center;
  }
}

</style>
